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I have setup a RPi 3B+ as access point using this tutorial:

https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md

I have a few dozens of RPi Zero's that connect to the AP. The problem is that, when the AP has 15+ clients, it becomes unresponsive. New clients are not able to join.

I am not sure if I have to change anything in the configurations to make it work. The current setup is identical to the tutorial above. Or is it simply a hardware limitation that has no solution?

  • I notice in that example that the dnsmasq config only has a pool of 18 IP addresses to hand out. That's going to limit the number of clients. Whether that's the limit you're hitting I don't know. – Mark Smith Oct 11 '18 at 8:45
  • I changed dnsmasq to support 255 clients. – Roman Semko Oct 11 '18 at 9:03
  • And did it help? – Mark Smith Oct 11 '18 at 9:16
  • No. I already had it changed. There is no solution, I think. Even many commercial APs have a limit of 15-20 clients... – Roman Semko Oct 11 '18 at 19:38
  • @Roman Semko - have you found any workaround? I have 26+ ESP8266 to connect to RPi3B+ and currently max I've seen connected were 15... – Aidas Janulis May 2 '19 at 13:43

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